Wednesday, November 18, 2009

Even a superficial glance is sufficient to show that all the innumerable forms in which the life-urge of Nature manifests itself are subject to a fundamental law -– one may call it an iron law of Nature -– which compels the various species to keep within the definite limits of their own life-forms when propagating and multiplying their kind.

If you can tell me who wrote that, you're probably not a raving creationist.